Add 25/30 and 3/42
25/30 + 3/42 is 19/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
25/30 = 25 × 7/30 × 7 = 175/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
3/42 = 3 × 5/42 × 5 = 15/210 - Add the two like fractions:
175/210 + 15/210 = 175 + 15/210 = 190/210 - 190/210 simplified gives 19/21
- So, 25/30 + 3/42 = 19/21
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